(1 + 9*d)*(-9 + 3*d)*(-5 + d)
$$\left(d - 5\right) \left(3 d - 9\right) \left(9 d + 1\right)$$
(1.0 + 9.0*d)*(-5.0 + d)*(-9.0 + 3.0*d)
Рациональный знаменатель
[src](1 + 9*d)*(-9 + 3*d)*(-5 + d)
$$\left(d - 5\right) \left(3 d - 9\right) \left(9 d + 1\right)$$
Объединение рациональных выражений
[src]3*(1 + 9*d)*(-5 + d)*(-3 + d)
$$3 \left(d - 5\right) \left(d - 3\right) \left(9 d + 1\right)$$
3*(1 + 9*d)*(-5 + d)*(-3 + d)
$$3 \left(d - 5\right) \left(d - 3\right) \left(9 d + 1\right)$$
(1 + 9*d)*(-9 + 3*d)*(-5 + d)
$$\left(d - 5\right) \left(3 d - 9\right) \left(9 d + 1\right)$$
2 3
45 - 213*d + 27*d + 381*d
$$27 d^{3} - 213 d^{2} + 381 d + 45$$
3*(1 + 9*d)*(-5 + d)*(-3 + d)
$$3 \left(d - 5\right) \left(d - 3\right) \left(9 d + 1\right)$$